Question

Reeta asked her teacher that which materials cannot be used to make a lens? What will be the answer given by

teacher to her?
1. glass
2. water
3. plastic
4 .clay​

Answer 1

Answer:

water

Explanation:

water is the correct answer

Answer 2

Answer:

OPTION D

Explanation:

(d) Clay cannot be used to make a lens because if the lens is made up of clay the light rays cannot pass through it